diff options
| author | Dale Rahn <drahn@cvs.openbsd.org> | 2008-12-15 22:30:18 +0000 |
|---|---|---|
| committer | Dale Rahn <drahn@cvs.openbsd.org> | 2008-12-15 22:30:18 +0000 |
| commit | 72525cc252e39e0a580d412ff35c0f1d81ba9d81 (patch) | |
| tree | aa3e04fd50ad5296b64657a300e2991ecef28799 /sys/arch | |
| parent | 2dce3c328c6225536f77384cf83999a410281b71 (diff) | |
Let tty subsystem know when transmit is finished so ioctls do not hang.
Diffstat (limited to 'sys/arch')
| -rw-r--r-- | sys/arch/arm/s3c2xx0/sscom.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/sys/arch/arm/s3c2xx0/sscom.c b/sys/arch/arm/s3c2xx0/sscom.c index 8c1abac25d9..53b02cdf19b 100644 --- a/sys/arch/arm/s3c2xx0/sscom.c +++ b/sys/arch/arm/s3c2xx0/sscom.c @@ -1,4 +1,4 @@ -/* $OpenBSD: sscom.c,v 1.4 2008/12/08 20:50:20 drahn Exp $ */ +/* $OpenBSD: sscom.c,v 1.5 2008/12/15 22:30:17 drahn Exp $ */ /* $NetBSD: sscom.c,v 1.29 2008/06/11 22:37:21 cegger Exp $ */ /* @@ -1217,7 +1217,7 @@ sscomparam(struct tty *tp, struct termios *t) sc->sc_ubrdiv = ospeed; /* And copy to tty. */ - tp->t_ispeed = 0; + tp->t_ispeed = t->c_ispeed; tp->t_ospeed = t->c_ospeed; tp->t_cflag = t->c_cflag; @@ -1407,8 +1407,12 @@ out: /* Enable transmit completion interrupts if necessary. */ if (tp->t_outq.c_cc != 0) sscom_enable_txint(sc); - else + else { + if (ISSET(tp->t_state, TS_BUSY)) { + CLR(tp->t_state, TS_BUSY | TS_FLUSH); + } sscom_disable_txint(sc); /* track state in software? */ + } splx(s); return; @@ -1969,6 +1973,10 @@ sscomtxintr(void *arg) } (*linesw[tp->t_line].l_start)(tp); } else { + struct tty *tp = sc->sc_tty; + if (ISSET(tp->t_state, TS_BUSY)) { + CLR(tp->t_state, TS_BUSY | TS_FLUSH); + } sscom_disable_txint(sc); } #endif |